Conservatory Closed

To limit the risk of transmitting COVID-19 coronavirus, the United States Botanic Garden (USBG) has changed its operations. The Conservatory and gated outdoor gardens are temporarily closed to the public while Bartholdi Park and the Terrace Gardens remain open. Please monitor this website for updates to operating status. Many resources can be accessed online, including educational materials, virtual tours, informational videos, and our winter programs will all be online. Connect with resources from home at

U.S. Botanic Garden - Staff Directory

A team of approximately 65 employees work at the U.S. Botanic Garden in four divisions: Administration, Public Programs, Horticulture and Operations.


Saharah Moon Chapotin, Ph.D. Executive Director (202) 225-1110
Susan Pell, Ph.D. Deputy Executive Director (202) 225-1269
Devin Dotson Public Affairs Specialist (202) 226-4145
Suzanne Mead Administrative Officer (202) 225-5002
Ray Mims Partnerships and Sustainability Specialist (202) 226-4067
Nick Nelson Landscape Architect (202) 226-8680
Terry Nicholls Safety Manager (202) 226-1407


Jim Adams Horticulture Manager (202) 695-5232
Frank Brooks Supervisory Horticulturalist (202) 226-4780
Wallace Reed Supervisor, Collections Section (202) 226-4780
Angela Weber-Hetrick Supervisor, Gardens and Grounds Section (202) 949-7549
Kyle Wallick Botanist (202) 226-5882


Patrick Andriuk Capital Projects and Facilities Manager (202) 225-6646

Public Programs

Amy Bolton Public Programs Manager (202) 262-4148
Laura Anthony Congressional Events (202) 226-7674
Elizabeth Barton Volunteer Coordinator (202) 226-8066
Lee Coykendall Senior Education Specialist (202) 226-1117
Theresa Dahlman Visual Information Specialist
Maura Nelson Education Specialist, Accessibility (202) 226-1047
Libby Rhoads Public Programs Supervisor (202) 226-8038